Stark's genius level intellect has enabled him to create various sophisticated inventions. After using technology to repair a heart injury. Stark inserted a layer of bullet-proof metal under his epidermal and dermal layers to ensure his internal organs were never damaged again.

Abilities

The Iron Maniac armor provides stark with superhuman strength, additional physical protection and the ability to morph any part of his armor into nearly any weapon imaginable, from simple spikes to hi-tech cannons, as well as jet boots for flight. His original armor contained assorted weapons, including a neural scrambler, and enabled him to discharge concussive force blast, cause destructible explosions and fly via jet boots. The unibeam at the center of his chest plate could emit a type of light energy that temporarily nullified the superhuman powers of those around him.

In the alternate reality of Earth-5012, Tony Stark was Iron Man, a brilliant industrialist who developed a suit of mechanized armor and used it to battle injustice as a member of the Avengers. In what came to be known as the "Titannus War," many of Stark's Avenger associates (including Captain America, and Wasp sacrificed their lives one by one in a battle against the Trellions, who brainwashed a super-powered skrull known as Titannus into luring the Avengers to their home planet, where the heroes were enslaved for 5 years before being rescued by Avengers reservist. Afterward, the surviving heroes turned on each other as a mentally unhinged Stark believed his world's Mr. Fantastic (Reed Richards) was becoming a power-hungry despot. After killing Black Widow and Wolverine, Stark battled the Fantastic Four and had his face permanently scarred by the Human Torch (Johnny Storm) before killing him as well. Stark the donned a green hood and took over the Balkan nation of Latveria in an attempt to conquer the world so that he could save it, but Mr. Fantastic foiled Stark's plans by transporting him to another reality, Earth-616.